When playing a random event that involves dropping people off at a specific destination as Trevor, there is an option to play out the event as it is intended or take them to the Altruist camp for a reward.

ATM Robberies and Security Vans can occur multiple times in the same location. For example, even if you robbed the Security Van in a certain location, it will reappear at the same place several days later and you can rob it again. As for ATM Robberies, the robberies will always occur at the same place though the person being robbed will be different.